var timeout=500;var closetimer=0;var ddmenuitem=0;function navigation_open()
{alert("firing");navigation_canceltimer();navigation_close();ddmenuitem=$(this).find('ul').eq(0).css('visibility','visible');}
function navigation_close()
{if(ddmenuitem)ddmenuitem.css('visibility','hidden');}
function navigation_timer()
{closetimer=window.setTimeout(navigation_close,timeout);}
function navigation_canceltimer()
{if(closetimer)
{window.clearTimeout(closetimer);closetimer=null;}}
$(document).ready(function()
{$('#top-nav > li').hover(function(){$(this).find('ul').eq(0).css('display','block');},function(){$(this).find('ul').eq(0).css('display','none');});});document.onclick=navigation_close;